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GEOCHECK@- PHYSICAL, SETTING SOURCE MAP FINDINGS <br /> RADON <br /> AREA RADON INFORMATION <br /> Federal EPA-Radon Zone for SAN JOAQUIN County: 3 <br /> Note:Zone 1 indoor average level>4 pCUL. <br /> Zone 2 indoor average level—2 pCi/L and<=4 pCi/L. <br /> Zone 3 indoor average level<2 pCUL. <br /> Federal Area Radon Information for SAN JOAQUIN COUNTY,CA <br /> Number of sites tested:20 <br /> Area Average Activity %<4 pCi/L %420 pCUL %>20 pCUL <br /> Living Area-1st Floor 2.530 pCUL 90% 10% 0% <br /> Living Area-2nd Floor Not Reported Not Reported Not Reported Not Reported <br /> Basement 2.050 pCUL 100% 0% 0% <br /> TC931160.3s Page A-22 <br />